diff --git a/include/kernel.mk b/include/kernel.mk
index 020779fd63..4744e09ef6 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -48,7 +48,11 @@ else
   LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
   TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
   ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),)
-    LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
+    ifeq ($(word 1,$(subst ., ,$(KERNEL_BASE))),3)
+      LINUX_SITE:=@KERNEL/linux/kernel/v3.x$(TESTING)
+    else
+      LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
+    endif
   endif
 
   ifneq ($(TARGET_BUILD),1)